# Due.Zero vs CigierreOne

The clearest difference is update cadence: CigierreOne at every 5 weeks against Due.Zero's every 10 months. CigierreOne also leads on iOS requirement (15.6 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Due.Zero ships an update every 10 months, CigierreOne every 5 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Due.Zero | CigierreOne |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 weeks** |
| Size | 4 MB | 68 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [DUE.ZERO SRL](https://appshunter.io/developer/1545104646) | [MYNET SRL SOCIETA' BENEFIT](https://appshunter.io/developer/1479852409) |

## What reviewers say

### Due.Zero

[App page](https://appshunter.io/ios/app/duezero/id1544240205)

**Features:** macOS Compatibility

**In-app purchases:** none


### CigierreOne

[App page](https://appshunter.io/ios/app/cigierreone/id1625124494)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Due.Zero free?

Due.Zero is free to download, with no in-app purchases.

### Is CigierreOne free?

CigierreOne is free to download, with no in-app purchases.

### Do Due.Zero or CigierreOne have ads?

Neither Due.Zero nor CigierreOne shows ads.

### Which is updated more often, Due.Zero or CigierreOne?

Due.Zero ships an update every 10 months, and CigierreOne every 5 weeks. Most recently, Due.Zero was updated on October 29, 2026 and CigierreOne on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*